package d01007;
import java.util.Scanner;
public class Test2 {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        Tourist v = new Tourist();
        v.age = input.nextInt();
        v.show();
    }
}
class Tourist{
    int age;
    public void show(){
        if(age>60||age<18) {
            System.out.println( "年龄为：" + age + "，免费");
        }else if(age>=18&&age<=60){
            System.out.println("年龄为："+age+"，价格为20元");
        }
    }
}